2339509 has 4 divisors (see below), whose sum is σ = 2356480. Its totient is φ = 2322540.

The previous prime is 2339507. The next prime is 2339551. The reversal of 2339509 is 9059332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2339509 - 2¹ = 2339507 is a prime.

It is a super-2 number, since 2×2339509² = 10946604722162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2339507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8277 + ... + 8554.

It is an arithmetic number, because the mean of its divisors is an integer number (589120).

2^2339509 is an apocalyptic number.

It is an amenable number.

2339509 is a deficient number, since it is larger than the sum of its proper divisors (16971).

2339509 is a wasteful number, since it uses less digits than its factorization.

2339509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16970.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 2339509 is about 1529.5453572876. The cubic root of 2339509 is about 132.7521530406.

The spelling of 2339509 in words is "two million, three hundred thirty-nine thousand, five hundred nine".